Added services. Added admin ui. Added delete button

Moonlight/Shared/Components/Forms/DeleteButton.razor

@@ -0,0 +1,57 @@
+@using Moonlight.App.Services
+@using Moonlight.App.Services.Interop
+
+@inject SmartTranslateService SmartTranslateService
+@inject AlertService AlertService
+
+@if (!Working)
+{
+    <button class="btn btn-danger" @onclick="Do">
+        <i class="bx bx-trash"></i>
+    </button>
+}
+else
+{
+    <button class="btn btn-danger disabled" disabled="">
+        <span class="spinner-border spinner-border-sm align-middle me-2"></span>
+    </button>
+}
+
+@code
+{
+    private bool Working { get; set; } = false;
+
+    [Parameter]
+    public Func<Task>? OnClick { get; set; }
+
+    [Parameter]
+    public bool Confirm { get; set; } = false;
+
+    private async Task Do()
+    {
+        Working = true;
+        StateHasChanged();
+        await Task.Run(async () =>
+        {
+            if (Confirm)
+            {
+                var b = await AlertService.YesNo(
+                    SmartTranslateService.Translate("Are you sure?"),
+                    SmartTranslateService.Translate("Do you really want to delete it?"),
+                    SmartTranslateService.Translate("Yes"),
+                    SmartTranslateService.Translate("No")
+                    );
+
+                if (b)
+                {
+                    if(OnClick != null)
+                        await OnClick.Invoke();
+                }
+                    
+            }
+
+            Working = false;
+            await InvokeAsync(StateHasChanged);
+        });
+    }
+}

Moonlight/Shared/Components/Forms/SmartForm.razor

@@ -33,13 +33,13 @@
     public object Model { get; set; }
 
     [Parameter]
-    public EventCallback<EditContext> OnValidSubmit { get; set; }
+    public Func<Task>? OnValidSubmit { get; set; }
 
     [Parameter]
-    public EventCallback<EditContext> OnInvalidSubmit { get; set; }
+    public Func<Task>? OnInvalidSubmit { get; set; }
 
     [Parameter]
-    public EventCallback<EditContext> OnSubmit { get; set; }
+    public Func<Task>? OnSubmit { get; set; }
 
     [Parameter]
     public RenderFragment ChildContent { get; set; }
@@ -67,8 +67,14 @@
 
         await Task.Run(async () =>
         {
-            await InvokeAsync(() => OnValidSubmit.InvokeAsync(context));
-            await InvokeAsync(() => OnSubmit.InvokeAsync(context));
+            await InvokeAsync(async () =>
+            {
+                if (OnValidSubmit != null)
+                    await OnValidSubmit.Invoke();
+                
+                if (OnSubmit != null)
+                    await OnSubmit.Invoke();
+            });
 
             Working = false;
             await InvokeAsync(StateHasChanged);
@@ -87,7 +93,10 @@
 
         await InvokeAsync(StateHasChanged);
 
-        await OnInvalidSubmit.InvokeAsync(context);
-        await OnSubmit.InvokeAsync(context);
+        if (OnInvalidSubmit != null)
+            await OnInvalidSubmit.Invoke();
+        
+        if (OnSubmit != null)
+            await OnSubmit.Invoke();
     }
 }

Moonlight/Shared/Components/Partials/SidebarMenu.razor

@@ -225,6 +225,14 @@ else
                 <span class="menu-title"><TL>Support</TL></span>
             </a>
         </div>
+        <div class="menu-item">
+            <a class="menu-link" href="/admin/subscriptions">
+                <span class="menu-icon">
+                    <i class="bx bx-credit-card"></i>
+                </span>
+                <span class="menu-title"><TL>Subscriptions</TL></span>
+            </a>
+        </div>
         <div class="menu-item">
             <a class="menu-link" href="/admin/statistics">
                 <span class="menu-icon">